HBJ

HBJ may refer to:


 * HVJ Gas Pipeline, also known as HBJ Gas Pipeline, in India
 * Habibganj railway station, in Bhopal, India
 * Halmstad Bolmen Railway (Swedish: Halmstad–Bolmens Järnväg), a defunct Swedish railway
 * Hamad bin Jassim bin Jaber Al Thani, former prime minister and foreign minister of Qatar
 * Harcourt Brace Jovanovich, a defunct American publisher
 * HBJ model, message-passing in parallel computing